
import java.awt.BorderLayout;

import javax.swing.JFrame;
import static javax.swing.JFrame.EXIT_ON_CLOSE;

public class FrameApp extends JFrame
{
    public FrameApp() 
    {
        setBounds(100, 100, 280, 300);
        setTitle("Simple Calculator");
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        setLayout(new BorderLayout());
        add(new PanelApp());
        setVisible(true);
    }
}
